var speed = 50
var typeindex = 0
var dlgPointer = 0
var dlgFile
var dlgKeyMain = "main"
let dlgLines
var skipDlg = false
var answers
var keys
var allowNextDlg = true
var voice
var playerName
var enemyHealth = 0, enemyDamage = 1, enemyStartsHit = false;
var health = 25
var weaponName = "Fäuste", continueCount = true
let weaponDamage = 1
var counttx = 0, countup = true;

//TODO
//simple fights
//save file in local storage

window.addEventListener('contextmenu', (event) => {
  event.preventDefault()
  speed = 0
})

function load() {
  fetch("text_horror/dialogue.json") //Load json file here
    .then(Response => Response.json())
    .then(data => {
      dlgFile = data
      changeDlg(dlgKeyMain) //Set "start" key from dialogue.json
      skipDlg = true //Allow skipping to next dialogue
      nextDlg(false) //Skip to first
    });
}

function changeDlg(dlgKey) {
  dlgPointer = 0;
  if (typeof dlgFile[dlgKey] === "string") {
    var oneline = [dlgFile[dlgKey]]
    dlgLines = oneline
  }
  else if (Array.isArray(dlgFile[dlgKey]))
    dlgLines = dlgFile[dlgKey]
}

function updateDlg() {
  typeindex = 0
  document.getElementById("dlg-text").innerHTML = ""
  document.getElementById("triangle").hidden = true
  typeWriter()
}

function typeWriter() {
  if (typeindex < dlgLines[dlgPointer].length) {
    document.getElementById("dlg-text").innerHTML += dlgLines[dlgPointer].charAt(typeindex)
    if (voice != null && typeindex % 3 == 1) {
      voice.load()
      voice.play()
    }
    typeindex++;
    setTimeout(typeWriter, speed)
  } else if (allowNextDlg)
    document.getElementById("triangle").hidden = false
}

function nextDlg(dlgPointerIncrease = true) {
  speed = 50
  if (document.getElementById("dlg-text").innerHTML.length == dlgLines[dlgPointer].length && allowNextDlg || skipDlg) {
    skipDlg = false;
    if (dlgPointerIncrease)
      dlgPointer++
    if (dlgPointer < dlgLines.length) {
      if (typeof dlgLines[dlgPointer] === 'number') {
        speed = 50 / dlgLines[dlgPointer]
        skipDlg = true
        nextDlg();
      }
      else if (typeof dlgLines[dlgPointer] === 'string') {
        if (dlgLines[dlgPointer].startsWith("_")) {
          skipDlg = true
          if (dlgLines[dlgPointer].split(":")[0] === "_title") {
            document.getElementById("title").innerHTML = dlgLines[dlgPointer].split(':')[1]
            nextDlg();
          }
          else if (dlgLines[dlgPointer].split(":")[0] === "_voice") {
            if (dlgLines[dlgPointer].split(':')[1].length != 0)
              voice = new Audio("text_horror/assets/voices/" + dlgLines[dlgPointer].split(':')[1] + ".wav")
            else
              voice = null
            nextDlg();
          }
          else if (dlgLines[dlgPointer].split(":")[0] === "_playsound") {
            var sound
            if (dlgLines[dlgPointer].split(':')[1].length != 0) {
              sound = new Audio("text_horror/assets/sounds/" + dlgLines[dlgPointer].split(':')[1] + ".wav")
              sound.load()
              sound.play()
            }
            else
              sound = null;
            nextDlg();
          }
          else if (dlgLines[dlgPointer].split(":")[0] === "_jump") {
            dlgKeyMain = dlgLines[dlgPointer].split(':')[1]
            load()
          }
          else if (dlgLines[dlgPointer].split(":")[0] === "_lock") {
            nextDlg();
          }
          else if (dlgLines[dlgPointer].split(":")[0] === "_weapon") {
            weaponName = dlgLines[dlgPointer].split(':')[1]
            weaponDamage = dlgLines[dlgPointer].split(':')[2]
            console.log(weaponDamage)
            nextDlg();
          }
          else if (dlgLines[dlgPointer].split(":")[0] === "_enemy") {
            document.getElementById("enemy-name").innerHTML = dlgLines[dlgPointer].split(":")[1]
            document.getElementById("enemy-texture").src = "text_horror/assets/textures/" + dlgLines[dlgPointer].split(":")[2] + ".png"
            enemyHealth = dlgLines[dlgPointer].split(":")[3]
            enemyDamage = dlgLines[dlgPointer].split(":")[4]
            countWeaponDamage()
            document.getElementById("enemy-health").innerHTML = enemyHealth
            document.getElementById("weapon").innerHTML = weaponName
            document.getElementById("health").innerHTML = health
            document.getElementById("fight").style.visibility = "unset"
            document.getElementById("dlg-text").innerHTML = ""
            document.getElementById("bubble").hidden = true
            document.getElementById("answer-box").hidden = true
            document.getElementById("triangle").hidden = true
          }
        } else
          updateDlg();
      }
      else if (typeof dlgLines[dlgPointer] === 'object') {
        allowNextDlg = false;
        document.getElementById("triangle").hidden = true
        document.getElementById("answer-box").hidden = false
        answers = document.getElementsByClassName("answer")
        keys = Object.keys(dlgLines[dlgPointer])
        for (let j = 0; j < keys.length; j++) {
          answers.item(j).innerHTML = keys[j]
        }
      }
    }
    else {
      document.getElementById("bubble").hidden = true
      document.getElementById("answer-box").hidden = true
      document.getElementById("triangle").hidden = true
    }
  }
}

function answered(answerId) {
  dlgFile = dlgLines[dlgPointer]
  document.getElementById("answer-box").hidden = true
  changeDlg(document.getElementById(answerId).innerHTML)
  allowNextDlg = true
  skipDlg = true
  nextDlg(false)
  for (let j = 0; j < keys.length; j++) {
    answers.item(j).innerHTML = ""
  }
}

function fight() {
  continueCount = false
  if (!enemyStartsHit) {
    if (!continueCount) {
      enemyStartsHit = true
      setTimeout(() => {
        enemyHealth = enemyHealth - counttx
        if (enemyHealth < 1) {
          setTimeout(() => {
            document.getElementById("fight").style.visibility = "hidden"
            document.getElementById("bubble").hidden = false
            document.getElementById("triangle").hidden = false
            nextDlg()
          }, 1000)
        }
        document.getElementById("enemy-health").innerHTML = enemyHealth
        document.getElementById("weapon-damage").innerHTML = weaponDamage
        setTimeout(() => {
          health = health - enemyDamage
          document.getElementById("health").innerHTML = health
          if (health > 0) {
            enemyStartsHit = false
            continueCount = true
            countWeaponDamage()
          }
          else
            setTimeout(() => { document.getElementById("fight").style.visibility = "hidden" }, 1000)
        }, 2000)
      }, 100)
    } else
      countWeaponDamage()
  }
}

function countWeaponDamage() {
  if (countup) {
    ++counttx;
    if (counttx >= weaponDamage)
      countup = false;
  }
  else {
    --counttx;
    if (counttx <= 0)
      countup = true;
  }
  document.getElementById("weapon-damage").innerHTML = counttx
  if (continueCount)
    setTimeout(countWeaponDamage, 100)
}